/*
This file is part of the iText (R) project.
Copyright (c) 1998-2025 Apryse Group NV
Authors: Apryse Software.

This program is offered under a commercial and under the AGPL license.
For commercial licensing, contact us at https://itextpdf.com/sales.  For AGPL licensing, see below.

AGPL licensing:
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/
using iText.Kernel.Pdf;
using iText.Kernel.Pdf.Colorspace;

namespace iText.Kernel.Pdf.Function {
    public interface IPdfFunction {
        int GetFunctionType();

        bool CheckCompatibilityWithColorSpace(PdfColorSpace alternateSpace);

        int GetInputSize();

        int GetOutputSize();

        double[] GetDomain();

        void SetDomain(double[] value);

        double[] GetRange();

        void SetRange(double[] value);

        /// <summary>Calculates one set of input components to one set of output components.</summary>
        /// <param name="input">
        /// The input values size must contain
        /// <see cref="GetInputSize()"/>
        /// items
        /// </param>
        /// <returns>
        /// an array the size of
        /// <see cref="GetOutputSize()"/>
        /// items containing the result
        /// </returns>
        double[] Calculate(double[] input);

        byte[] CalculateFromByteArray(byte[] bytes, int offset, int length, int wordSizeInputLength, int wordSizeOutputLength
            );

        byte[] CalculateFromByteArray(byte[] bytes, int offset, int length, int wordSizeInputLength, int wordSizeOutputLength
            , BaseInputOutPutConvertors.IInputConversionFunction inputConvertor, BaseInputOutPutConvertors.IOutputConversionFunction
             outputConvertor);

        double[] ClipInput(double[] input);

        double[] ClipOutput(double[] input);

        PdfObject GetAsPdfObject();
    }
}
